Denon AVR 3805 Manual Download

The Denon AVR 3805 is a high-performance 7.1 channel AV receiver that supports various audio and video formats. It features advanced processing capabilities, including Dolby Digital EX, DTS-ES, and Dolby Pro Logic IIx, ensuring an immersive home theater experience. The receiver is equipped with multiple HDMI inputs, allowing for seamless connectivity with modern devices. Below are key sections for features, installation, setup, operation, specifications, and troubleshooting.

Features at a Glance

Key components: 7.1 channel audio, HDMI inputs, advanced audio processing, remote control, and multiple audio formats support.

Feature	Description
HDMI Inputs	Multiple HDMI inputs for easy connectivity with devices
Audio Formats	Supports Dolby Digital, DTS, and more
Zone 2/Zone 3	Multi-room audio capabilities
Remote Control	Comes with a user-friendly remote
On-Screen Display	Easy navigation through menus
Auto Setup	Automatic calibration for optimal sound
Power Output	High power output for dynamic sound
Input Selection	Easy switching between inputs

Installation

Unpack and inspect contents. Place the receiver on a stable surface.

1. Connect speakers: Use appropriate speaker wire for connections.
2. Connect video sources: Use HDMI or component cables for video.
3. Plug into AC power.
4. Ensure all connections are secure.

WARNING! Receiver is heavy; lift with care to avoid injury.

First-Time Setup

Power on the receiver; follow on-screen prompts.

1. Program channels automatically: Use the setup menu to configure inputs.
2. Set audio preferences: Adjust settings for optimal sound quality.
3. For video: Ensure correct resolution settings for your display.

CAUTION! Ensure stable surface; use two people for handling.

Specifications

• Channels: 7.1 channel audio.
• Power Output: 110 watts per channel.
• HDMI Inputs: 6 HDMI inputs.
• Audio Formats: Supports Dolby Digital, DTS, and more.
• Dimensions: 17.1 x 5.8 x 15.6 inches.
• Weight: 25.3 lbs.
• Power Consumption: 600 watts.
• Operating Temperature: Standard room temperature.

Controls and Settings

Access OSD via remote control. Front Panel: POWER, INPUT, VOLUME, MUTE.

Remote: POWER, Numeric buttons, INPUT, VOLUME, MUTE, SETUP.

Audio: Adjust settings for bass, treble, and balance. Video: Configure display settings for optimal viewing.

Connecting Devices

Connect devices using HDMI, optical, or analog connections.

1. Turn off the receiver and devices before connecting.
2. Match cables to ports (e.g., HDMI to HDMI).
3. Select input via remote control.

Tip: Ensure the receiver is off and unplugged before connecting cables.

Playing Audio/Video Media

Supports various audio and video formats.

1. Insert media: Load DVD or connect streaming device.
2. Play: Use remote to select play options.
3. Stop: Press STOP to halt playback.
4. Skip: Use PREV/NEXT for tracks or chapters.
5. Adjust volume: Use the VOLUME control on the remote.

WARNING! Do not force media; eject properly.

Accessibility Features

Closed Captions: Enable in setup menu. Parental Controls: Block content by ratings.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; no liquids or aerosols.

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2026 Denon; trademarks of Denon Electronics.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; point at IR sensor; install fresh batteries.
No sound	Connections/mute	Ensure receiver is on; check connections; adjust mute.
Picture not clear	Settings	Adjust video settings in the menu.
Channels not programming	Antenna/menu	Use auto-program in menu; ensure antenna connected.
Media not playing	Media/loading	Ensure media is loaded properly; check for damage.

Reset: Menu > System > Reset if available.

Service: Contact Denon support for assistance.